CN101961855A - Clamp for assembling annular extruding permanent magnet magnetic system and assembly method thereof - Google Patents
Clamp for assembling annular extruding permanent magnet magnetic system and assembly method thereof Download PDFInfo
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- CN101961855A CN101961855A CN 201010253004 CN201010253004A CN101961855A CN 101961855 A CN101961855 A CN 101961855A CN 201010253004 CN201010253004 CN 201010253004 CN 201010253004 A CN201010253004 A CN 201010253004A CN 101961855 A CN101961855 A CN 101961855A
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Abstract
The invention relates to a clamp for assembling an annular extruding permanent magnet magnetic system and an assembly method thereof. The clamp comprises an inner ring shaft of which two ends are respectively provided with external thread sections, a plurality of nylon sleeves of which the bore diameter is greater than the external diameter of the inner ring shaft, a nylon positioning sleeve which is matched with the external thread sections of the inner ring shaft and is machined with internal threads, a nylon limit sleeve which is matched with the external thread sections of the inner ring shaft and is machined with the internal threads and is provided with an external baffle ring at one end of the inner ring shaft, a non-magnetic conducting magnet steel protective cylinder and a non-magnetic conducting stainless steel pressing cylinder which is machined with a plurality of threaded holes around the circumference of the non-magnetic conducting stainless steel pressing cylinder, wherein puller bolts are arranged in the threaded holes; wall thicknesses of sleeve sections of the nylon sleeve, the nylon positioning sleeve and the nylon limit sleeve are greater than the height of assembled strip magnet steel; the inner diameter of the magnet steel protective cylinder is greater than outer diameters of the sleeve sections of the nylon sleeve, the nylon positioning sleeve and the nylon limit sleeve; and the inner diameter of the non-magnetic conducting stainless steel pressing cylinder is greater than the outer diameter of the magnet steel protective cylinder.
Description
Technical field
The present invention relates to that a kind of to be used for various permanent magnetic separator magnetic be fan-shaped magnet steel and along the mounting technology field of hoop splicing, relate to a kind of anchor clamps and assembly method thereof that is used to assemble the annular extrusion permanent magnetic system specifically.
Background technology
At present, permanent-magnet concentration equipment both domestic and external has simple in structure, advantages such as efficient is high, little power consumption, because of the optimum organization of its permanent magnetic system makes it with the favor efficient, economic, that energy-conservation characteristics enjoy ore dressing plant, coal washery and other industrial department.Magnetic system is the critical component of magnetic separator, and its magnetic property quality directly influences the technical performance and the separating effect of magnetic separator.Therefore the optimal design of magnetic system is most important.Many design specialists develop multiple different magnetic field intensity magnetic separator through further investigation both at home and abroad, and its magnetic induction intensity does not wait from 200mT～1300mT, and maximization direction development trend is arranged, and satisfies the demand of mineral resources comprehensive utilization with this; The development of equipment is simultaneously had higher requirement to manufacturing processing technic, and especially how magnetic system is assembled into the emphasis that the designer considers.
The fast development of rare-earth permanent magnet NdFeB, making it become permanent magnetism equipment magnetic is the preferred most important condition.But because of magnet NdFeB belongs to the property fired material, its density and ferrous material are approaching, but its compression strength is low, and property is crisp, frangible; Properties such as NdFeB magnetism of material energy is strong, suction is big need have special assembly tooling mould, to guarantee assembly quality one time, reduce the percent defective of magnet assembling, enhance productivity.To the mounting technology of magnetic system, comprehensively domestic and foreign literature as can be known at present: at the magnetic plant of low field intensity, magnetic system is made up of ferrite and a spot of neodymium iron boron, and the repulsion between blocking magnetic pole and main pole is little, assembles up relatively easily, generally can directly be pressed into hand; In the magnetic system of magnetic plant of high field intensity complicated, and along with the raising of magnetic field intensity, magnetic force increases sharply, the assembling blocking magnetic pole is unusual difficulty just, danger also increases.Also fail to realize with the mechanical means assembling fully at present, can only lean on manually and finish in conjunction with the frock jig.
In the last few years, the assembly technology research of permanent magnetic system is less, since manpower assembling that American I N-PROSYS company, Britain BOXMAG-RAPID company the adopt eighties in last century and the method that does not adopt mechanical fixation to combine to the later stage high performance permanent magnetic materials is combined with binding agent by frock, do not form a cover complete, easy assembly method and frock clamp, improper because of assembly method during this time, make the magnetic material fragmentation, caused a large amount of wastes of material.External other research institutions also are in the starting stage to the assembling research of permanent magnetic system, do not do corresponding reporting for work.
From the nineties so far, Beijing Mine and Metallurgy General Inst and Changsha Mining ﹠ Metallurgy Inst are more to the assembling of permanent magnetic system research, consider the monolithic permanent magnet of the magnetic of substituting the bad for the good because magnetic property is strong, easy characteristics such as fragmentation, thereby when selecting assembling scheme, select mechanical press mounting for use, the instead of manual assembling; According to the very big influence of repulsive force in the extruding magnetic system with the magnetic turning torque, respective design the complete frock clamp of one cover, but complexity too makes that magnetic is processing and manufacturing cost height, should not promote.
Jinzhong City, Shanxi essence reaches motor Co., Ltd, and the press mounting die of the opening trough_like that is magnetic is overlapped in design one, and material is good to choose ferrous material.According to the size of magnet size, its length direction is slightly less than magnet length; Width is greater than magnet width 1mm-2mm; Groove depth equates with the magnet height, makes the flute profile instrument that equates with number of magnets, is linked to be a tool rack.And magnet be pressed into the employing manual mode, the pressure size when press-fiting is difficult to determine that pressure is excessive, can cause the magnet breakage; Pressure is too small, is not enough to overcome the suction of magnet and moulds of industrial equipment.When press-fiting, the head that contacts with the magnet position should replace magnetic material with nonmagnetic substance, in order to avoid make the very strong magnet absorption of magnetic on pressing machine, causes the magnet breakage.
The assembly technology and the frock clamp thereof that are used for permanent magnet high-field intensity magnetic filter magnetic system of Institutes Of Technology Of He'nan's report, safe and reliable, simple, efficiency of assembling can not only be improved, and assembly quality can be improved.But this mounting technology arranges that for annular extrusion in the roll-type machine magnetic system that makes up is too complicated.
Summary of the invention
The weak point that purpose of the present invention exists in the permanent magnetic system assembling process at above-mentioned prior art just, and a kind of magnetic system turnover of can avoiding pushing is provided, magnetic pole damages and adopts false magnet (with the non-magnetic stainless steel displacement sheet of permanent magnet same specification) method of substitution technology concordant with magnetic pole and frock clamp with the fan-shaped magnet steel of polylith radial magnetizing, being arranged in round roller internal ring wall with N-S alternant is combined into circular on every side, fully improve the magnetic field space utilization rate, this technical matters is safe and reliable, assembling jig is simple, can not only improve disposable assembly quality, and improved efficiency of assembling greatly, reduced the unnecessary waste of magnetic material; Applicable to magnetic in the various permanent magnetic separators is fan-shaped magnet steel and along the assembling field of hoop splicing, specifically is applicable to the assembly technology and the anchor clamps of roll-type machine annular extrusion magnetic system.
Purpose of the present invention can realize by following technical measures:
The described anchor clamps of anchor clamps that are used to assemble the annular extrusion permanent magnetic system of the present invention comprise that two ends are respectively arranged with the inner axle of external thread section, several apertures are greater than the nylon sleeve of inner axle external diameter, the female nylon abutment sleeve of the processing that matches with the external thread section of inner axle, being processed with internal thread and being provided with the nylon spacing collar of outer baffle ring at the one end of matching with the external thread section of inner axle, a non-magnetic conduction magnet steel protection tube that constitutes the outer roller shell parts of permanent magnetic system live-roller, a non-magnetic stainless steel pressure cylinder that is processed with a plurality of screwed holes around its circumference middle part in uniform mode, and the cross section that the quantity of described screwed hole equals to be assembled is the bar magnet quantity of sector structure, all is equipped with to be used for holding out against nut to what the bar magnet that is assembled positioned in described screwed hole; The wall thickness of the sleeve sections part of described nylon sleeve, nylon abutment sleeve and nylon spacing collar is in the height of the bar magnet that is assembled; the interior warp of described magnet steel protection tube is greater than the external diameter of the sleeve sections part of nylon sleeve, nylon abutment sleeve and nylon spacing collar, and the interior warp of non-magnetic stainless steel pressure cylinder is greater than the external diameter of magnet steel protection tube.
The diameter of the outer baffle ring of described nylon spacing collar is more than or equal to warp in the non-magnetic stainless steel pressure cylinder.
Assembly method of the present invention comprises the steps:
When a, assembling beginning, earlier nylon abutment sleeve spinning is fastened on the external thread section of inner axle one end, the magnet steel protection jacket casing with non-magnetic conduction is contained on the described nylon abutment sleeve again, and non-magnetic stainless steel pressure cylinder is sleeved on the magnet steel protection tube; Afterwards, under the prerequisite of the axial spacing length that reserves enough fan-shaped magnet steel that is used to assemble, from the other end of inner axle the nylon sleeve of requirement is sleeved on that (its concrete quantity can specifically be determined according to the length that extends axially the magnet steel assembling process on the inner axle, magnet steel is circular layout the group number more after a little while, promptly extend axially length more in short-term, and nylon sleeve can increase; On the contrary, can reduce.), the nylon spacing collar spinning that again an end is provided with outer baffle ring at last is fastened on the external thread section of the inner axle other end;
B, be that benchmark is as the initial position of determining fan-shaped magnet steel with the ring-like end face of nylon abutment sleeve medial extremity, will with the cross section that is assembled be the neat successively threading inner axle of a plurality of false magnet (non-magnetic stainless steel displacement sheet) of the equal specification of bar magnet of sector structure and magnet steel protection tube common constitute the annulus space in, and be right after with the ring-like end face of nylon abutment sleeve medial extremity; Advance magnet steel protection tube vertically this moment towards false magnet end, terminate in 1/2nd positions of false magnet axial length; Afterwards, the non-magnetic stainless steel pressure cylinder that is sleeved on the magnet steel protection tube is moved to the false magnet positions place that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again;
After c, above work are finished, begin to be the false magnet of the bar magnet replacement comparable size specification of sector structure with cross section, concrete operations are as follows: the replacement of bar magnet and false magnet will be carried out at interval, can satisfy effectively separating of magnet steel physical region to reach the convenient substituting purpose; Extract out by the false magnet that the corresponding puller bolt of regulating on the stainless steel pressure cylinder will need earlier to replace, then bar magnet is pushed, replace the original position of false magnet, and hold out against with puller bolt, according to said method interval mode is carried out, one by one the false magnet of each piece is substituted with bar magnet, can finish the assembling of one group of annular extrusion magnet steel; In the replacement process, because along with the minimizing of false magnet and the increase of bar magnet, last piece bar magnet substitutes need overcome sizable magnetic force, the nylon spacing collar that is sleeved on the nylon sleeve of the described inner axle other end this moment and is provided with outer baffle ring can play the usefulness of axial limiting, prevent that bar magnet from ejecting vertically, play the security protection effect;
D, when carrying out the assembling of second group of annular extrusion magnet steel, the end face of the annular extrusion magnet steel for preparing with last assembling is a benchmark, the end face that is close to first group of annular extrusion magnet steel with a plurality of false magnet rings around inner axle outer wall annular array, the employing adhesive tape is fixed, the puller bolt that will be positioned on the stainless steel pressure cylinder unclamps afterwards, and with the one group of false magnet present position propelling backward vertically of magnet steel protection tube, first group of annular extrusion magnet steel is sleeved on magnet steel protection tube fully, terminate in 1/2nd positions of the one group of false magnet axial length in back, dismantle adhesive tape again; Afterwards, the non-magnetic stainless steel pressure cylinder 7 that is sleeved on the magnet steel protection tube is moved to the false magnet segment position that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again; Adopt the described method of step c to replace the false magnet of comparable size specification afterwards, can finish the assembling of second group of annular extrusion magnet steel with the bar magnet that cross section is sector structure;
E, when described respectively organize annular extrusion magnet steel assembling and finish after, push from the inner axle two ends to annular extrusion magnet steel group by described nylon sleeve, nylon abutment sleeve and the nylon spacing collar that is installed in the inner axle two ends, eliminate every group of end play between the annular extrusion magnet steel; Simultaneously, can keep relative stablizing between each parts for making, make each several part become as a whole, and air between the parts extruded to improve service life, need organize slit between slit between the annular extrusion magnet steel group and annular extrusion magnet steel and the magnet steel protection tube carries out encapsulating and handles each, with syringe glue is injected during processing, treat that back admittedly all parts of gelling will combine very closely, make it constitute a complete live-roller; Afterwards described complete live-roller is unloaded from inner axle, what promptly become hollow shaft structure has an annular extrusion permanent magnetic system live-roller.
Beneficial effect of the present invention is as follows:
Frock clamp of the present invention is by being used, the bar magnet that cross section can be sector structure is in convenient, safe being rolled in the magnet steel protection tube when the inner axle wall circular is arranged, and every group of annular system can axially be right after adjacent layout, improves the magnet utilization ratio; Globality in order to guarantee to rotate has adopted high rigidness saturated polarity rubber adhesive permanent magnet simultaneously, makes the phase septal space obtain filling, and has satisfied the uniformity of whole roller rotating property.
Because the annular extrusion mode that a whole set of assembly technology of the present invention adopts false magnet to set in advance is chosen permanent-magnet steel interval, the corresponding mode that substitutes then, make between the magnet steel and play good separated magnetic effect in addition, the convenient installation, the easy realization because of the existence of false magnet.
A whole set of magnet assembly technology of the present invention must have the place of neat and tidy, especially avoids having on the workbench magnetic material foreign material such as iron filings, in order to avoid influence assembly quality.
Description of drawings
Fig. 1 is anchor clamps assembly relation of the present invention and structural representation sketch.
Fig. 2 is false magnet assembling simplified schematic diagram.
Fig. 3-the 1st, permanent-magnet steel substitute false magnet assembling simplified schematic diagram.
Fig. 3-2 is the A-A cut-away view of Fig. 3-1.
Fig. 4 is second group of annular permanent magnet steel assembling simplified schematic diagram.
Fig. 5-the 1st, the simplified schematic diagram of ring stainless steel pressure cylinder among the present invention.
Fig. 5-2 is the side view of Fig. 5-1.
Fig. 6 is the front view that an end is provided with the nylon spacing collar of outer baffle ring 12 among the present invention
Fig. 6-the 1st, the side view of Fig. 6.
Sequence number among the figure: 1, nylon abutment sleeve; 2, inner axle; 3, non-magnetic conduction magnet steel protection tube; 4, nylon spacing collar; 5, false magnet; 6, cross section is the bar magnet (permanent magnetic steel) of sector structure; 7, non-magnetic stainless steel pressure cylinder; 8, puller bolt; 9, first group of annular extrusion magnet steel; 10, second group of annular extrusion magnet steel; 11, the sleeve sections part of nylon spacing collar; 12, nylon spacing collar outer baffle ring part; 13, nylon sleeve.
The specific embodiment
The present invention is described further below in conjunction with embodiment (accompanying drawing):
As Fig. 1, shown in Figure 2, the anchor clamps that are used to assemble the annular extrusion permanent magnetic system of the present invention comprise that two ends are respectively arranged with the inner axle 2 of external thread section, several apertures are greater than the nylon sleeve 13 of inner axle 2 external diameters, the female nylon abutment sleeve 1 of the processing that matches with the external thread section of inner axle, being processed with internal thread and being provided with the nylon spacing collar 4 of outer baffle ring 12 (referring to Fig. 6 of matching with the external thread section of inner axle at the one end, Fig. 6-1), the non-magnetic conduction magnet steel protection tube 3 that the employing stainless steel material of the outer roller shell parts of formation permanent magnetic system live-roller is prepared from, a non-magnetic stainless steel pressure cylinder 7 that is processed with a plurality of screwed holes around its circumference middle part in uniform mode, and the cross section that the quantity of described screwed hole equals to be assembled is the bar magnet quantity of sector structure, all is equipped with to be used for holding out against nut (referring to Fig. 5 to what the bar magnet that is assembled positioned in described screwed hole, Fig. 5-1); The wall thickness of the sleeve sections part 11 of described nylon sleeve 13, nylon abutment sleeve 1 and nylon spacing collar 4 is in the height of the bar magnet that is assembled, the interior warp of described magnet steel protection tube 3 is greater than the external diameter of nylon sleeve, the interior warp of non-magnetic stainless steel pressure cylinder 7 is greater than the external diameter of magnet steel protection tube 3, be described magnet steel protection tube 3 with the sleeve sections part 11 of described nylon sleeve 13, nylon abutment sleeve 1 and nylon spacing collar 4 between be relation movingly, described non-magnetic stainless steel pressure cylinder 7 and magnet steel protection tins 3 between for concerning movingly; The diameter of the outer baffle ring 12 of described nylon spacing collar 4 is more than or equal to warp in the non-magnetic stainless steel pressure cylinder 7.
Assembly method of the present invention comprises the steps:
When a, assembling beginning (referring to Fig. 2), earlier nylon abutment sleeve 1 spinning is fastened on the external thread section of inner axle 2 one ends, magnet steel protection tube 3 with non-magnetic conduction is sleeved on the described nylon abutment sleeve 1 again, and non-magnetic stainless steel pressure cylinder 7 is sleeved on the magnet steel protection tube 3; Afterwards, under the prerequisite of the axial spacing length that reserves enough fan-shaped magnet steel that is used to assemble, from the other end of inner axle the nylon sleeve 13 of requirement is sleeved on that (its concrete quantity can specifically be determined according to the length that extends axially the magnet steel assembling process on the inner axle, magnet steel is circular layout the group number more after a little while, promptly extend axially length more in short-term, and nylon sleeve can increase; On the contrary, can reduce), nylon spacing collar 4 spinnings that again an end are provided with outer baffle ring 12 at last are fastened on the external thread section of the inner axle other end;
B, be that benchmark is as the initial position of determining fan-shaped magnet steel with the ring-like end face of nylon abutment sleeve 1 medial extremity, will with the cross section that is assembled be a plurality of false magnet 5 (non-magnetic stainless steel displacement sheet) of the equal specification of bar magnet of sector structure neat successively threading inner axle 2 and magnet steel protection tube 3 common constitute the annulus space in, and be right after with the ring-like end face of nylon abutment sleeve 1 medial extremity; Say that magnet steel protection tube 3 advances towards false magnet end vertically, terminates in 1/2nd positions of false magnet 5 axial lengths this moment; Afterwards, the non-magnetic stainless steel pressure cylinder 7 that is sleeved on the magnet steel protection tube is moved to the false magnet positions place that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt 8 that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again;
After c, above work are finished (referring to Fig. 3-1, Fig. 3-2), begin to be the false magnet 5 of the bar magnet 6 replacement comparable size specifications of sector structure with cross section, concrete operations are as follows: the replacement of bar magnet 6 and false magnet 5 will be carried out at interval, can satisfy effectively separating of magnet steel physical region to reach the convenient substituting purpose; Extract out by the false magnet that the corresponding puller bolt of regulating on the stainless steel pressure cylinder 78 will need earlier to replace, then bar magnet is pushed, replace the original position of false magnet, and hold out against with puller bolt, according to said method interval mode is carried out, one by one the false magnet of each piece is substituted with bar magnet, can finish the assembling of one group of annular extrusion magnet steel; In the replacement process, because along with the minimizing of false magnet and the increase of bar magnet, last piece bar magnet substitutes need overcome sizable magnetic force, the nylon spacing collar 4 that is sleeved on the nylon sleeve 13 of the described inner axle other end this moment and is provided with outer baffle ring can play the usefulness of axial limiting, prevent that bar magnet from ejecting vertically, play the security protection effect;
D, when carrying out second group of annular extrusion magnet steel assembling (referring to Fig. 4), the end face of the annular extrusion magnet steel for preparing with last assembling is a benchmark, the end face that is close to first group of annular extrusion magnet steel with a plurality of false magnet rings around inner axle outer wall annular array, the employing adhesive tape is fixed, the puller bolt that will be positioned on the stainless steel pressure cylinder unclamps afterwards, and with the one group of false magnet present position propelling backward vertically of magnet steel protection tube, first group of annular extrusion magnet steel is sleeved on magnet steel protection tube fully, terminate in 1/2nd positions of the one group of false magnet axial length in back, dismantle adhesive tape again; Afterwards, the non-magnetic stainless steel pressure cylinder 7 that is sleeved on the magnet steel protection tube is moved to the false magnet segment position that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again; Adopt the described method of step c to replace the false magnet of comparable size specification afterwards, can finish the assembling of second group of annular extrusion magnet steel with the bar magnet that cross section is sector structure;
E, when described respectively organize annular extrusion magnet steel assembling and finish after, push from the inner axle two ends to annular extrusion magnet steel group by described nylon sleeve 13, nylon abutment sleeve 1 and the nylon spacing collar 4 that is installed in the inner axle two ends, eliminate every group of end play between the annular extrusion magnet steel; Simultaneously, can keep relative stablizing between each parts for making, make each several part become as a whole, and air between the parts extruded to improve service life, need organize slit between slit between the annular extrusion magnet steel group and annular extrusion magnet steel and the magnet steel protection tube carries out encapsulating and handles each, with syringe glue is injected during processing, treat that back admittedly all parts of gelling will combine very closely, make it constitute a complete live-roller; Afterwards described complete live-roller is unloaded from inner axle, what promptly become hollow shaft structure has an annular extrusion permanent magnetic system live-roller.
Claims (3)
1. anchor clamps that are used to assemble the annular extrusion permanent magnetic system, it is characterized in that: described anchor clamps comprise that two ends are respectively arranged with the inner axle of external thread section, several apertures are greater than the nylon sleeve of inner axle external diameter, the female nylon abutment sleeve of the processing that matches with the external thread section of inner axle, being processed with internal thread and being provided with the nylon spacing collar of outer baffle ring at the one end of matching with the external thread section of inner axle, a non-magnetic conduction magnet steel protection tube that constitutes the outer roller shell parts of permanent magnetic system live-roller, a non-magnetic stainless steel pressure cylinder that is processed with a plurality of screwed holes around its circumference middle part in uniform mode, and the cross section that the quantity of described screwed hole equals to be assembled is the bar magnet quantity of sector structure, all is equipped with to be used for holding out against nut to what the bar magnet that is assembled positioned in described screwed hole; The wall thickness of the sleeve sections part of described nylon sleeve, nylon abutment sleeve and nylon spacing collar is in the height of the bar magnet that is assembled; the interior warp of described magnet steel protection tube is greater than the external diameter of the sleeve sections part of nylon sleeve, nylon abutment sleeve and nylon spacing collar, and the interior warp of non-magnetic stainless steel pressure cylinder is greater than the external diameter of magnet steel protection tube.
2. the anchor clamps that are used to assemble the annular extrusion permanent magnetic system according to claim 1 is characterized in that: the diameter of the outer baffle ring of described nylon spacing collar is more than or equal to warp in the described non-magnetic stainless steel pressure cylinder.
3. method of utilizing the described anchor clamps of claim 1 to assemble the annular extrusion permanent magnetic system, it is characterized in that: described method comprises the steps:
When a, assembling beginning, earlier nylon abutment sleeve spinning is fastened on the external thread section of inner axle one end, the magnet steel protection jacket casing with non-magnetic conduction is contained on the described nylon abutment sleeve again, and non-magnetic stainless steel pressure cylinder is sleeved on the magnet steel protection tube; Afterwards, under the prerequisite of the axial spacing length that reserves enough fan-shaped magnet steel that is used to assemble, be sleeved on the inner axle from the other end of the inner axle nylon sleeve with requirement, the nylon spacing collar spinning that again an end is provided with outer baffle ring at last is fastened on the external thread section of the inner axle other end;
B, be that benchmark is as the initial position of determining fan-shaped magnet steel with the ring-like end face of nylon abutment sleeve medial extremity, will with the cross section that is assembled be the neat successively threading inner axle of the false magnet of a plurality of non-magnetic conductions of the equal specification of bar magnet of sector structure and magnet steel protection tube common constitute the annulus space in, and be right after with the ring-like end face of nylon abutment sleeve medial extremity; Advance magnet steel protection tube vertically this moment towards false magnet end, terminate in 1/2nd positions of false magnet axial length; Afterwards, the non-magnetic stainless steel pressure cylinder that is sleeved on the magnet steel protection tube is moved to the false magnet positions place that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again;
After c, above work are finished, begin to be the false magnet of the bar magnet replacement comparable size specification of sector structure with cross section, concrete operations are as follows: the replacement of bar magnet and false magnet will be carried out at interval, can satisfy effectively separating of magnet steel physical region to reach the convenient substituting purpose; Extract out by the false magnet that the corresponding puller bolt of regulating on the stainless steel pressure cylinder will need earlier to replace, then bar magnet is pushed, replace the original position of false magnet, and hold out against with puller bolt, according to said method interval mode is carried out, one by one the false magnet of each piece is substituted with bar magnet, can finish the assembling of one group of annular extrusion magnet steel;
D, when carrying out the assembling of second group of annular extrusion magnet steel, the end face of the annular extrusion magnet steel for preparing with last assembling is a benchmark, the end face that is close to first group of annular extrusion magnet steel with a plurality of false magnet rings around inner axle outer wall annular array, the employing adhesive tape is fixed, the puller bolt that will be positioned on the stainless steel pressure cylinder unclamps afterwards, and with the one group of false magnet present position propelling backward vertically of magnet steel protection tube, first group of annular extrusion magnet steel is sleeved on magnet steel protection tube fully, terminate in 1/2nd positions of the one group of false magnet axial length in back, dismantle adhesive tape again; Afterwards, the non-magnetic stainless steel pressure cylinder 7 that is sleeved on the magnet steel protection tube is moved to the false magnet segment position that is positioned at outside the magnet steel protection tube along axle, by screwing each puller bolt that is installed on the non-magnetic stainless steel pressure cylinder circle respectively, the false magnet that will be positioned at the respective screw hole position is pressed on the inner axle outer wall again; Adopt the described method of step c to replace the false magnet of comparable size specification afterwards, can finish the assembling of second group of annular extrusion magnet steel with the bar magnet that cross section is sector structure;
E, when described respectively organize annular extrusion magnet steel assembling and finish after, push from the inner axle two ends to annular extrusion magnet steel group by described nylon sleeve, nylon abutment sleeve and the nylon spacing collar that is installed in the inner axle two ends, eliminate every group of end play between the annular extrusion magnet steel; Simultaneously, can keep relative stablizing between each parts for making, make each several part become as a whole, and air between the parts extruded, need organize slit between slit between the annular extrusion magnet steel group and annular extrusion magnet steel and the magnet steel protection tube to each and carry out encapsulating and handle, make it constitute a complete live-roller; Afterwards described complete live-roller is unloaded from inner axle, what promptly become hollow shaft structure has an annular extrusion permanent magnetic system live-roller.
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| CN2010102530042A CN101961855B (en) | 2010-08-16 | 2010-08-16 | Clamp for assembling annular extruding permanent magnet magnetic system and assembly method thereof |
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| CN2010102530042A CN101961855B (en) | 2010-08-16 | 2010-08-16 | Clamp for assembling annular extruding permanent magnet magnetic system and assembly method thereof |
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| CN101961855B CN101961855B (en) | 2012-03-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102837276A (en) * | 2012-09-20 | 2012-12-26 | 广西华锡集团股份有限公司 | Assembly process of plate-type magnetic system of permanent magnet strong magnetic separator and tooling clamp thereof |
| CN102882329A (en) * | 2012-07-30 | 2013-01-16 | 江阴市振江钢结构有限公司 | Installation component of permanent magnetic ring and assembly method thereof |
| CN104097174A (en) * | 2014-06-25 | 2014-10-15 | 中国人民解放军国防科学技术大学 | Mounting tool and assembling method of array structural permanent magnet |
| CN105915022A (en) * | 2016-04-20 | 2016-08-31 | 李金明 | Modular combined motor structure |
| CN110261803A (en) * | 2019-07-18 | 2019-09-20 | 宁波尼兰德磁业股份有限公司 | Halbach component |
| CN113270266A (en) * | 2021-06-01 | 2021-08-17 | 杭州斯莫尔磁性材料有限公司 | Rapid assembly method of annular Halbach array |
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| CN102882329B (en) * | 2012-07-30 | 2014-11-05 | 江阴市振江钢结构有限公司 | Installation component of permanent magnetic ring and assembly method thereof |
| CN102837276A (en) * | 2012-09-20 | 2012-12-26 | 广西华锡集团股份有限公司 | Assembly process of plate-type magnetic system of permanent magnet strong magnetic separator and tooling clamp thereof |
| CN104097174A (en) * | 2014-06-25 | 2014-10-15 | 中国人民解放军国防科学技术大学 | Mounting tool and assembling method of array structural permanent magnet |
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| CN110261803A (en) * | 2019-07-18 | 2019-09-20 | 宁波尼兰德磁业股份有限公司 | Halbach component |
| CN110261803B (en) * | 2019-07-18 | 2024-04-02 | 宁波尼兰德磁业股份有限公司 | Halbach assembly |
| CN113270266A (en) * | 2021-06-01 | 2021-08-17 | 杭州斯莫尔磁性材料有限公司 | Rapid assembly method of annular Halbach array |
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